A four-year-old was attacked by a mountain lion at Olympic National Park in Washington state, the National Park Service said. The attack happened at about 3:15 p.m. on July 20 near the Victoria ...

A child attacked by a mountain lion at Washington's Olympic National Park is being treated in Seattle. Rangers eliminated the threat after locating the cougar.

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

A fox is stealing shoes and other footwear from sleeping campers in Grand Teton National Park.

The child was bitten by the mountain lion while walking with their family on a "popular trail," park officials said.

Your favorite national park is struggling to survive What budget cuts mean for wildlife, climate monitoring — and surviving peak tourism.

Drew Hall, 36, was found dead at the bottom of Sawtooth Peak in Sequoia National Park by friends and family. He had been reported missing a day before.

A national park in southwest Colorado partially reopened Wednesday for the first time since a fire broke out earlier this month, while a fire at Grand Canyon National Park prompted more closures ...

Grand Teton National Park officials are warning campers to not interact with a fox that stole and stashed at least 32 shoes.

The father of a 4-year-old is being hailed as a hero for getting his child away from a cougar attack on a popular trail in Olympic National Park in Washington state.

One person is dead and two others are injured after a small plane crashed in Olympic National Park Tuesday, according to the National Park Service.

A 36-year-old teacher and father of two was found dead in Sequoia National Park on Sunday after going missing on Saturday.